(a)Describe the key difference between supervised and unsupervised learning. Name two typical supervised learning approa

[answerhappygod]

(a)Describe the key difference between supervised and
unsupervised learning. Name two
typical supervised learning approaches and two unsupervised
learning approaches. (6 marks)
(b) Describe how you would use the k-fold cross-validation
method to eliminate or relive the potential overfitting in a
predictive model. (4 marks)